Mission: San Francisco Baykeeper holds polluters accountable and defends San Francisco Bay. We patrol on the water, investigate and stop polluters, and strengthen laws to protect the Bay. For more than 30 years, our lawyers, scientists, and policy advocates have defended San Francisco Bay from the biggest threats. (Less)

San Francisco Baykeeper is a 501(c)(3) organization, with an IRS ruling year of 1987, and donations are tax-deductible.